For LR I'd recommend the Loophole since if you are getting things wrong at that level it's likely because you haven't gotten the concepts down. Also remember to take breaks between your PTs
Logical Reasoning: Get the Loophole and go through it THOROUGHLY, do not do more than one chapter a day to allow for spaced repetition and use Anki to reinforce key terms you have learned
Logic Games: Foolproof?
Reading Comprehension: I used LSAT …
I'm on the same boat, I got a 156. I read that cancelling really won't do anything, if anything they'll be sussed on why you cancelled your score. I decided I'm just going to bite the bullet and apply next cycle, therefore I can have essentially a y…
Reading the Economist for the art and science passages has helped me a ton, if you get a subscription you can load up all the older magazines, it'll help you grow your subject knowledge so you can understand passages better